From c94603d9db9bc4f01a22597e35f3ef63319544b3 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Mon, 14 Apr 2014 17:21:24 +1000
Subject: [PATCH] Check for blank OfflinePlayer Names


diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 238e282..982d95e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1291,6 +1291,7 @@ public final class CraftServer implements Server {
     @Deprecated
     public OfflinePlayer getOfflinePlayer(String name) {
         Validate.notNull(name, "Name cannot be null");
+        com.google.common.base.Preconditions.checkArgument( !org.apache.commons.lang.StringUtils.isBlank( name ), "Name cannot be blank" ); // Spigot
 
         // If the name given cannot ever be a valid username give a dummy return, for scoreboard plugins
         if (!validUserPattern.matcher(name).matches()) {
-- 
2.1.0